I think about that video every time I'm in traffic going over the bridge that replaced it. Not that I don't have faith in modern engineering (not so much in the upkeep of infrastructure in this country) but still, can't help but think about it as I feel it shake.
Fun fact about Washington (Puget sound) bridges, we have 4 of the 5 longest floating permanent bridges of which there are 20 in the world.
have you looked at ngrok?